Tromsø Water Temperature

Tromsø is a city close to Norwegian Sea. August is the month with the warmest water temperature at 51.3°F / 10.7°C. The coolest month is March with an avg. water temperature of 39.2°F / 4°C. May is the sunniest at 1.1in / 27.4mm and December the wettest month with 4in / 100.6mm. The average air temperature is around 53.4°F / 11.9°C, July is the hottest month in a year. January is the coolest with 11.8°F / -11.2°C average air temperature. Subarctic climate would be the climate here. June, July, August, September would be the best time to visit.

Tromsø Summary

Description Value
Current water temperature /
Warmest Month Water Temperature: August with 10.7°C / 51.3°F
Coldest Month Water Temperature: March with 4°C / 39.2°F
Warmest Month Air Temperature: July with 11.9°C / 53.4°F
Coldest Month Air Temperature: January with -11.2°C / 11.8°F
Wettest Month: December with 100.6mm / 4in
Driest Month: May with 27.4mm / 1.1in
Highest Humidity October with 89.6%
Lowest Humidity July with 79.4%
Best Time to Visit: June, July, August, September
Climate Classification Subarctic climate

Tromsø water temperature by month

Norwegian Sea water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

5.8 5.3 4.8

February

4.8 4.4 4.1

March

4.2 4.1 3.9

April

4.8 4.3 4

May

6.7 5.6 4.8

June

8.7 7.6 6.7

July

10.7 9.8 8.8

August

11 10.6 10.2

September

10.3 9.8 9.2

October

9.2 8.5 7.8

November

7.8 7.3 6.8

December

6.9 6.3 5.8

Norwegian Sea water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

42.4 41.5 40.6

February

40.6 39.9 39.4

March

39.6 39.4 39

April

40.6 39.7 39.2

May

44.1 42.1 40.6

June

47.7 45.7 44.1

July

51.3 49.6 47.8

August

51.8 51.1 50.4

September

50.5 49.6 48.6

October

48.6 47.3 46

November

46 45.1 44.2

December

44.4 43.3 42.4
The highest water temperature will be reached in August with around 51.3°F / 10.7°C. The lowest in March with an average water temperature of 39.2°F / 4°C.

Tromsø weather by month / climate table

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

-5.1 -11.2 -16.2 62.3 4 81.9%

February

-3.8 -10.2 -16.5 57.4 5 82.2%

March

-1.9 -6.9 -13.6 67.7 10 81.5%

April

3.4 -1.5 -7.2 35.8 10 81.9%

May

9 3.4 -2.7 27.4 11 80.3%

June

12.1 7.7 3.2 68.8 12 79.5%

July

16 11.9 7.7 75.8 8 79.4%

August

15 10.8 6.7 74 8 81.7%

September

11.9 6.9 1.1 64.4 14 85.9%

October

5.6 0.6 -6.1 68.3 0 89.6%

November

-0.5 -5 -10.5 57.9 7 86.7%

December

-3.4 -8.6 -14 100.6 9 83.4%

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

22.8 11.8 2.8 2.5 4 81.9%

February

25.2 13.6 2.3 2.3 5 82.2%

March

28.6 19.6 7.5 2.7 10 81.5%

April

38.1 29.3 19 1.4 10 81.9%

May

48.2 38.1 27.1 1.1 11 80.3%

June

53.8 45.9 37.8 2.7 12 79.5%

July

60.8 53.4 45.9 3 8 79.4%

August

59 51.4 44.1 2.9 8 81.7%

September

53.4 44.4 34 2.5 14 85.9%

October

42.1 33.1 21 2.7 0 89.6%

November

31.1 23 13.1 2.3 7 86.7%

December

25.9 16.5 6.8 4 9 83.4%
May is the month with the lowest rain of 1.1in / 27.4mm and December with the highest precipitation in a year with 4in / 100.6mm. The avg. temperature is around 53.4°F / 11.9°C, July is the month with the highest temperature. January is the coolest with 11.8°F / -11.2°C average temperature.

Activities & POI in Tromsø

Type of Activity List
Marina for Sailing, Boat adventures, fishing Småbåthavna, Kai 10/11
Attraction Roald Amundsen, Tromsø domkirke, Tromsdalen kirke, Elverhøy kirke, Fjellheisen øvre stasjon, Fjellheisen nedre stasjon, Vår Frue kirke, Skansen, Ropes Course